[单选题]
透镜+5.00DS,联合透镜-3.00DC×90°的结果为()。
A.+8.00DS/+3.00DCX180°
B.+2.00DS/+3.00DCX180°
C.+2.00DS/-3.00DCX90°
D.+3.00DS/-2.00DCX90°
参考答案与解析: